<!DOCTYPE html> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
</head>
<body>
<style>
#login{ 
    box-shadow:
	0 0 2px rgba(0, 0, 0, 0.2),        
	0 1px 1px rgba(0, 0, 0, .2), 
    0 3px 0 #fff,0 4px 0 rgba(0, 0, 0, .2),        
	0 6px 0 #fff, 
    0 7px 0 rgba(0, 0, 0, .2); 
}
</style>
<form id="login">
	<h1>用户登录</h1> 
	<fieldset id="inputs">
		<input type="text" name=""  placeholder="用户名" autofocus required>
		<input type="text" name=""  placeholder="密码" autofocus required>
	</fieldset>
	<fieldset id="actions">
		<input type="submit" id="submit" value="登陆">
	</fieldset>
</form>

</body>